02database_development_process - Database Management...

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Database Management Database Development Process Douglas Shook 1/20/05
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Data Management – Fall 2004 Introduction to the Database Development Process
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Data Management – Fall 2004 Purpose of Chapter Provides and “overview” of the entire process of database development Most topics revisited later in depth – don’t worry if not clear at this point Focus on the “Planning Phase” material – it will not be covered again (Table 2-1) Planning Phase products (EDM Figs. 2-1, 2-12, & page 78) and planning matrices will be used in later steps
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Data Management – Fall 2004 Figure 2-1 Segment from enterprise data model (Pine Valley Furniture Company CUSTOMER ORDER PRODUCT ORDER LINE Places Is placed by Contains Is contained in Has Is for
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Data Management – Fall 2004 SDLC Cascade or waterfall approach (Fig. 2-4) - Standard approach for large system Database development activities during SDLC (Fig. 2-5) 1) Identification and Selection - Obtain Project 2) Planning - EDM & Planning Matrices 3) Analysis - Conceptual Data Model (CDM) 4) Logical Design - Third Normal Form (3NF) 5) Physical Design - Process vs. Entity, CRUD, TAF, Volume, etc. 6) Implementation - SQL DDLs 7) Maintenance - Database Administration
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Data Management – Fall 2004 Database development activities during the systems development life cycle (SDLC) Project Identification and Selection Project Initiation and Planning Analysis Logical Design Physical Design Implementation Maintenance
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Data Management – Fall 2004 Main Parts of a Database User Data Relations - Tuples - Attributes Metadata System tables Indexes Application metadata
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Data Management – Fall 2004 Creating a Database Tables/Relations Relationships - one-to-one - one-to-many - many-to-many Domains Business Rules
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Data Management – Fall 2004 Database Development Process “Three-Schema” Brush the dog “both ways” Top-down Planning (Table 2-1)
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